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Finding the Fourth Proportional to 614,728.80, 922,093.20 and 377,301.60

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Solution

The fourth proportional to 614,728.80, 922,093.20 and 377,301.60 is: 565,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,728.80 : 922,093.20 = 377,301.60 : x
  2. Step 2: Convert to fraction form
    614,728.80/922,093.20 = 377,301.60/x
  3. Step 3: Cross multiply
    614,728.80x = 922,093.20 × 377,301.60
  4. Step 4: Simplify right side
    614,728.80x = 347,907,239,709.12
  5. Step 5: Solve for x
    x = 347,907,239,709.12/614,728.80
  6. Step 6: Final answer
    x = 565,952.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.